Sweeping-machine.



J. M. LAYTON & H. G. HAWORTH. SWEEPING MACHINE.

APPLICATION FILED AUG.15,1913. 1,1 28,883.

Patented Feb. 16, 1915.

4 SHEETS-SHEET l.

J. M. LAYTUN & H. G. HAWORTH.

SWEEPING MACHINE.

APPLICATION FILED AUG.16v 191s J. M. LAYTON & H. G. HAWORTH. SWEEPINGMACHINE.

APPLICATION FILED AUGJB. 1913.

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SWEEPING MACHINE.

APPLICATION FILED AUG. 15. 1013.

Patented Feb. 16, 1915.

4 SHEETS--SHEET 4.

n -ah INVENTORS. BY M QATTQRNEX JOHN LAYTON AND HENRY G. HAWOR'IH, OFLEAVENWORTH, KANSAS.

SWEEPING-MACHIN E.

Specification of Letters Patent.

Patented Feb. 16, 1915.

Application filed August 15, 1913. Serial No. 784,944.

To all whom it may concern Be it known that we, JOHN M. LAYTON and HENRYG. HAwoR'rH, citizens of the United States, residing at Leavenworth, inthe county of Leavenworth and State of Kansas, have invented certain newand useful Improvements in Sweeping-Machines, of which the following isa full, clear, and exact description, such as will enable others skilledin the art to which it appertains to make and use the same.

The invention relates to sweeping machines for sweeping streetsroad-ways and the like and seeks to provide a simple and efiective formof sweeping machine that will sweep and thoroughly clean an uneven aswell as an even street or road-way and remove the sweepings therefrom.

Sweeping machines are provided with rotary sweepers that sweep thesweepings from the surface of the street to an elevating conveyor bywhich they are elevated to some form of receptacle and occasionallyemptied. It is essential that the rotary sweeper gather all thesweepings from the street which is often very uneven, with numerousholes or depressions, and obstructions that rise above the averagesurface, and that the sweepings be elevated and deposited in areceptacle from which they may be removed in the shortest space of time.M ans for lifting the rotary sweeper above t e surface of the street andreleasing the driving belts of the sweeper when not in use, and means toadjust the height of the sweeper while in use to g ve more or lesspressure to the brooms on .i e surface of the street, according to thecharacter of the sweepings, are very desirable.

The present invention seeks to provide an improved sweeping machine witha rotary sweeper for the purpose of sweeping streets and delivering thesweepings into a receptacle from which they may be emptied from time totime.

A further object of the invention is to provide an improved means forraising and lowering the rotary sweeper to diminish or increase thecontact thereof respectively with the street.

A. still further object of the invention is to provide means forreleasing the driving belts of the rotary sweeper so that the latterma}. he simultamuiuslv lifted from operative position and the rotationthereof suspended,

to avoid turning the sweeper at all times when not in use.

The subject matter of the present application 18 substantially thatofapplicants abancloned application Serial No. 637,240.

VVlth theseand other objects in View the invention consists in thefeatures of construction, combinations and arrangements of partshereinafter set forth illustrated in the drawings and more fully pointedout in the claims appended.

In the drawings: side elevation of a sweeping machine embodying theinvention. Fig. 2 is a view in front elevationbut with certain partsremoved. Fig. 3 is a view in vertical longitudinal section with certainpartsremoved, taken on line aa of Fig. 2 looking in the direction ofarrow I. Fig. 4 is a fragmentary view of the sectional plate inclineacross which the sweepings are swept to the elevatmg apron. Fig. 5 is afragmentary view in vertical cross section on line b?) of Fig. 3 lookingin the direction of arrow II. Fig. (3 is a view in longitudinalelevation of the rotary sweeper. Fig. 7 is a view in end elevation ofthe rotary sweeper. v

Wheels 1 are journaled' on and support the axle 27, the block 10 restingthereon and in tum supporting the rear end of platform 11, which servesto support the sweepings collecting chamber 19. Chamber 19 is inclosedby front wall 12, end walls 36, rear wall 37, and has a bottom 38inclining outward and downward to either side of the machine so thesweepings may be easily rc- Inoved from the chamber by raising latches39 with handle 40, allowing doors 41 to swing outward and upward on thehinges 4-2, the top of the chamber being open except the loosely fittingshield 17. The front of platform 11 is supported by wheel 2, front axle(34. and yoke (35 to the upper end of which is secured the seat 36, andto the intermediate portion of which is secured av tongue connection 67to which connections mav be made to draw the machine.

Pivoted to the axle 27 near either end are the swinging frames 28, heldin place by keys 43 and supported at the rear end when the rotarysweeper is lowered to working position, by caster rollers 3 which arecontained in containing jaws 44, the latter being pivoted to lugs 45 ofthe adjustabie sections 29 of frames 28 by pin projections 46.

Figure 1 is a View in i It will be understood from the foregoing thatrollers 3 roll on the surface of the street and support the rear oroutward ends of frames 28.

The rotary sweeper is provided with journals 48 journaled in theswinging frame rearwardly of the adjustable sections 29 and the sections29 are made adjustable in the frame 28 in order to raise and lower there tary sweeper M, the adjustment being offected by loosening nuts 59 onthe bolts 60 and sliding the sections 29 upward or downward until therotary sweeper has the desired pressure on the street when in workinposition.

mmediatel in front of the rotary sweep er 47 are inc ined lates 18 madein short sections and pivote on the shaft 49 which is secured at theends in adjustable sections 29 of the frame 28, the object being for.the

a plates to lie close in front of and underneath the front side of therotary sweeper 47, each short section making contact with the streetsurface by reason of the weight and independent movement of the section,even though the surface of the street is nne en or irregular. ,The lates18 form an elevating incline over w ich the rotary sweeper 47 sweeps andbrushes the sweepings from the street and on to the apron 15, the latterrolling on roller 31 at the lower and roller 50 at the upper end.

A ron 15 is provided with slats 30 which *catc the sweepings and carrythem to the chamber 19, and when a suilicient collection is gathered inthe chamber, the doors. 41 ma be opened and the chamber emptied Itoller31 isjournaled in the adyustable sections 29 of the frame 28, so thattheretary sweeper may be lowered and raised without changing thedistance between rollers 31 and 50. It will be understood that rollers 3remain on the street surface when the rotary sweeper is in workingposition and the height of the sweeper is adjusted without ihterferingwith the location of rollers 3, sectional plates 18, or roller 31.

Roller 50 is mounted on shaft 51 journaled in boxes 52, and driven bypulleys 6 by'belts 14 from pulleys 5 secured to the .whcels 1, the apron15 being driven by roller 50. v

Rotary sweeper l'l'is driven from pulleys 4 secured to wheels l,'withbelts 13 which run directly on the shaft 53 of the sweeper,- the beltsbeing crossed to reverse the motion and held in tension on the pulleysand shaft by tightencr pulleys 9 which act through their own weight andthat of yokes 54, to which they are revolubly connected by ins 55.

To the-frames 28 between the axle 27 and rollers 3 are connectedsemicircular springs 34, the lower ends of which are secured to andsupport the brushes 33. Brushes 33 are messes connected with the frontend thereof outward and forward at an acute angle to the line of travelof the machine, and in tended to gather the swcepings from a oer tziinwidth which the two brushes span and throw the sweepings inward and inthe path of the rotary sweeper 47. A more important object of thebrushes 33 is to sweep the sweepings away from a curbor the like,sweeping them toward the center line of the travel of the machine, sothst may be gathered by the rotary sweeper 4?,

Hopes 16 are secured to J3 and pass horizontally resrwsrdly therefromand over the pulleys 57, then inclining downwardly and resrwzirdly toand under pulleys 8, then up and. over pulleys 7, and finally down toand connecting with yokes 5i. Arms 23 are secured to shaft 22, which isjournaled in bracket boxes 26 and provided with lever 24 securedthereto. Lover 24 is shown standing upright in Figs. 1'-2 and -3 fulllines,"in which position the ropes 16 are slack lend the frames 28 arecarried by rollers 3 rolling on the surface of the street, while in Fig,i dotted lines the lever is thrown forward and downward to an in vertedposition and the end latched in latch 25, and in this position frames 28are raised by ropes 16 as shown in dotted lines of Fig. l, the tightenerpulleys 9 being lifted clear of belts 13, the rotary sweeper is somedistance above the surface of the street, and. the belts 13 will notdrive the rotary sweeps er 47. The object of raising the rotary sweeperto the position dotted lines of Fig. 1 is to avoid contact with thesurface of the street or road when the machine is being moved from placeto place while not in use, the pulleys 9 being lifted to avoid ,unnecessary turning of the sweeper.

Cover 1? is secured at the upper end thereof to front wall 12 oi chamber19 and fits loosely over and at some distance shove the walls of thechamber, slants Xwurd and no downward. over the apron l5 ing on the rearends of frames so it ma spring as shown in dotted lines of Fig. 1 endnot in terferc with lifting the frames and the rotary sweeper 4'7. Theobjectof the cover l? is to protect the rotary sweeper, the ele Y votingapron l5, and the chamber 1'9 from wind and air currents, and to pre entdust from rising from the parts enumerated.

The tank 35 is provided to sprinkle the street road and prevent themachine from raising or agitating dust and the like, the water beingsprayed from nozzles 61 fun thor details of which are not illustratedfor the reason tlutt iio claim is made on the sprinkling mechanism inthe present application.

Rotary sweeper 47 is preferably constructcd as shown in Figs. 6 and i,the shaft 53 serving as pulleys at the positions to 18 which thenumerals 53 are applied, and arranged to accommodate the belts 13. Tothe shaft 53 are secured spiral rows of semicircular springs 63, to theouter end of which are secured brooms 58, the object being to provideconsiderable movement to the brooms under tension in a direction towardand away from the shaft 53' that the brooms will dip into any hole ordepression and spring over any obstruction, and clean a road or streethaving an uneven surface.

It will be understood from the. foregoing that by engaging lever 24: inlatch 25, the rotary sweeper 47 will be carried some dis tance above thesurface upon which the wheels 1 and rollers 3 roll, and that the belt 13will not drive the rotary sweeper, also by unlatching the lever andraising to the position illustrated in full lines of Figs. 1-.2 and 3,the frames will be lowered until rollers 3 rest on the surface traversedby wheels 1, and in this position the rotary nveeper may be raised orlowered by raising or lowering the frames 28 on the scbtions 29,

r the ropes 16 are sufliciei t-ly slack to allow rollers 3 to rest onthe surface traversed at all times. The brooms 33 will sweep thesweepings away from the curb l and toward the center of the travel ofthe machine sufficiently to allow the rotary sweeper 47 to reach andgather all between the distance spanned by the brooms, and the broomsalso project to either side. beyond all other parts of the machine, sothat the street may be swept clean to the width spanned by the brushes33 or up to and. along side of a curb or the like.

It is obvious that by reason of the belt 13 being crossed, if themachine be pulled in such direction that the rotary sweeper will followthe. wheels 1, the rotary sweeper will sweep the sweepings across thesectional plates and onto the apron 15 which will elevate the sweepingsto the chamber 19, from where they may be. easily removed by raisinglatch bolts 39 by handles 40 and al lowing doors -11 to swing open.

Nun'icrous changes may be made in the details as set. forth withoutdeparture from the essentials of the invention.

Having described our invention, What we claim as new and desire tosecure by Letters Patent, is'.--

l. in a sweeping machine the combination of ground engaging wheels, asweepings collecting receptacle carried by said wheels, an axleconnecting two of said wheels, a frame including a pair of swing ingframe IlHnlllGlS pivoted to said axle outside of said wheels andprojecting approximately bmixontally rcarwardly thcre from. sectionsforming part of said frame and crossing said members and adji'istablycom-retell thereto and 'irojecting approxin'iatcly vertically downwardtherefrom,

members and arranged to roll on the sun face traversed by said wheels, arotary sweeper journaled in said frame members, a shaft spanning saidadjustable sections and secured therein, a series of plates pivoted onsaid shaft and arranged to contact with the surface traversed by saidwheels, 'an apron roller journalcd in said adjustable sections, an apronroller mounted over said receptacle, and a conveying apron arranged toroll on said apron rollers whereby said rotary sweeper may sweepswccpings over said plates and to said conveying apron and said apronmay convey said swcepings to said receptacle.

2. In a sweeping machine the combination of ground engaging wheels, anaxle connecting two of said wheels, a frame including a pair of swingingframe members pivoted to said axle and projecting approximatelyhorizontally rearwardly thercfrom, adjustable sections forming part ofsaid frame and crossing said members and adjustably connected theretoand projecting approximately vertically downward therefrom, rollerscontained in jaws provided with pins projecting upward and swiveled inlugs projecting from said adjustable sections, said rollers carryingsaid adjustal'ile sections and the rear end of said frame members andarranged to roll on the surface tra\ ersed by said wheels, and a rotarysweeper journaled in said frame members.

3. In a. sweeping machine the combination of ground engaging wheels, anaxle connecting two of said wheels, a pair of swinging frame memberspivoted to said axle and projecting rearwardly therefrom, a rotarysweeper ournaled in said frame members, a semi-circular spring securedto one of said frame members and depending therefrom, a brush attachedto the lower end of said spring and held by the force of said spring incontact with the surface traversed by said wheels, said brush lead ingoutward from said frame and arranged to sweep sweepings into the path ofsaid rotary sweeper.

4. In a sweeping machine the combination of ground engaging wheels, anaxle -eonnecting two of said wheels, a pair of swinging frame memberspivoted to said axle and projecting rearwardly therefrom, a rotary swecjier journaled in said frame ineni ers, a semicircular spring secured toeach of said frame members and projecting downward therefrom, a brushattached to the lower end of each of said springs and held by saidsprings in contact with the sur- 1 puhm", and

Cufink ,5 frame gunm

